body{
	width: 100%;
	margin: 0 auto;
}
.navigation li{
	float: left;
	list-style: none;
	text-align: center;
	color: #FFFFFF;
	font-size: 14px;
	vertical-align: middle;
}
.navigation a{
	color: #FFFFFF;
	font-size: 16px;
}
.navigation a:hover{
	color: #999999;
	text-decoration: none;
}
.nav_left li{
	padding: 10px 3px;
}
.row1 p{
	color: #999999;
	font-size: 10px;
	margin: 0px;
}
.row1 h5{
	margin: 5px 0 10px 0;
}
.jieshao_border{
	border: 1px solid #E5E5E5;
	padding: 3px 0;
}
.classes_main>div{
	margin: 5px 0px;
}
.classes_main >div>div{
	margin: 5px 0;
}
.classes_main ul{
	padding: 5px 0px;
	margin: 0px;
}
.classes_main li{
	/*list-style: none;*/
	margin: 5px 0;
}
.classes_main a{
	color: #000000;
	font-size: 14px;
}
.classes_main a:hover{
	/*color: #999999;*/
}
.vector li{
	list-style: none;
	text-align: center;
	margin: 5px 0;
}
.vector ul img{
	width: 80px;
	height: 80px;
}
.png li{
	list-style: none;
	text-align: center;
	margin: 5px 0px;
}
.foot{
	width: 100%; 
	height: 20px; 
	margin-top: 22px; 
	background-color: #617C8D;
	position: inherit; 
	bottom: 0;
}
